Instruments to measure a variety of indoor air quality and energy-related variables have been installed in all of the study classrooms. The data collected with these instruments will be used to assess how well the advanced HVAC system meets the IVSE study goals. Some of these parameters, including indoor and outdoor air temperature, relative humidity, carbon dioxide concentrations and power use, are being collected in real time, while ventilation rates, particle concentrations and size, VOC, ozone and aldehyde concentrations, sound levels, and thermal comfort measurements will be collected once a season during onsite visits. Also aggregate attendance data will be collected for the study classrooms through onsite visits.

Real time data are being collected using the LonWorks® network protocol and an i.Lon® e2 Internet Server (below) developed by the Echelon Corporation. LonWorks enabled sensors used in the study include the PureChoice Nose Monitor™ (top) and Continental Control Systems WattNode® Plus (not shown). All sensors are connected to a central iLon network server that acts as a data logger and provides communication to the data servers. Some study data will be made available to the public on this website.

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